Insert
the articles:

…
last summer my friend’s parents took me to … North with them. His father is …
scientist, and he had to do some work there. … place is on … island very far
from Moscow. They had to go by … plane. I have flown in … planes many times
already, but my friend has never flown and he was … little afraid. He tried not
to show it but when they sat down in … plane he closed his eyes. His father
laughed at him and told him to look out of … window. “Look at all ….
Interesting things under you”, he said. “See how bright … sun shines and how
small … roads and bridges and trees look from here. … noise of … plane isn’t
too bad, we can even talk to each … other.